The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 14, 2023
Filed:
Sep. 29, 2020
Meiyun Zhang, Xi'an, CN;
Shunxi Song, Xi'an, CN;
Xue Jiang, Xi'an, CN;
Bin Yang, Xi'an, CN;
Jingyi Nie, Xi'an, CN;
Jiaojun Tan, Xi'an, CN;
Meiyun Zhang, Xi'an, CN;
Shunxi Song, Xi'an, CN;
Xue Jiang, Xi'an, CN;
Bin Yang, Xi'an, CN;
Jingyi Nie, Xi'an, CN;
Jiaojun Tan, Xi'an, CN;
SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY, Shaanxi, CN;
Abstract
A method for increasing bulkiness of reconstituted tobacco by adding tobacco stem particles includes (1) pulverizing a first portion of tobacco stems to obtain tobacco stem particles; (2) classifying the tobacco stem particles with mesh sieves and selecting the tobacco stem particles with a predetermined mesh size; (3) extracting a second portion of the tobacco stems with water and grinding to form a tobacco stem slurry that has a beating degree of 12-14° SR, and mixing the tobacco stem slurry with tobacco leaves in a weight ratio of 6:4 and grinding to obtaining a tobacco slurry that has a beating degree of 18-20° SR; (4) cutting plant fiber pulp boards and dispersing in water to form a plant fiber pulp; (5) preparing a filler solution that contains 10 wt % of a mineral filler; (6) mixing, rolling and drying to obtain the reconstituted tobacco.